Answer :
Virtual Reality can be used by Dax, so that his client will be able to walk through a digital version of a house before actual building.
What is Virtual Reality?
Virtual Reality can be regarded as a computer-generated environment which looks like a real life environment with scenes and objects .
Therefore, Dax can use Virtual Reality to shows his clients about his house digitally.
Learn more about Virtual Reality at;
https://brainly.com/question/26705841